size 90 : Waist: 16.53 "-- Length: 20.08 "-- Recommended Age: 2-3Y -- Recommended Height: 33-35 ".
size 100 : Waist: 18.11 "-- Length: 22.05 "-- Recommended Age: 3-4Y -- Recommended Height: 35-39 ".
size 110 : Waist: 19.86 "-- Length: 23.23 "-- Recommended Age: 4-5Y -- Recommended Height: 39-43 ".
size 120 : Waist: 21.25 "-- Length: 24.02 "-- Recommended Age: 5-6Y -- Recommended Height: 43-47 ".
size 130 : Waist: 22.8 "-- Length: 25.98 "-- Recommended Age: 6-7Y -- Recommended Height: 47-51".
Please choose the size according to your child's height and waist .